User_Manual_Taisync_Pro_V1.00(ETH-ETH)-EN-20200529

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5) Please check whether the working frequency is obviously interferenced or not, Chapter
6.2 introduces how to select working frequency.
6) Please check whether there is serious obstruction between the air and the ground unit
during flighting, and the complex geographical environment will affect the transmission distance;
7) If the above steps can not solve the problem, please contact Taisync technical support
staff.